Leaked source code of windows server 2003
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/*==========================================================================
* * Copyright (C) 1999 Microsoft Corporation. All Rights Reserved. * * File: aplayd.h * Content: Definition of the CAudioPlaybackDevice class * * History: * Date By Reason * ==== == ====== * 07/16/99 rodtoll Created * 11/12/99 rodtoll Modified abstraction for new waveOut support. * Now abstracted types look almost like dsound objects * 12/01/99 rodtoll Bug #121815 - Recording/Playback may contain static. * Added abstract call to adjust conversion quality * 01/27/2000 rodtoll Updated sound classes to accept playback flags, * buffer structures and DSBUFFERDESC instead of DSBUFFERDESC1 * 04/04/2001 rodtoll WINBUG #343428 - DPVOICE: Voice wizard's playback is very choppy. * ***************************************************************************/
#ifndef __AUDIOPLAYBACKDEVICE_H
#define __AUDIOPLAYBACKDEVICE_H
class CAudioPlaybackDevice{public: CAudioPlaybackDevice( ) {} ; virtual ~CAudioPlaybackDevice() {};
public: // Initialization
virtual HRESULT Initialize( const GUID &guidDevice, HWND hwndOwner, WAVEFORMATEX *primaryFormat, BOOL fPriorityMode ) = 0; virtual HRESULT CreateBuffer( LPDSBUFFERDESC lpdsBufferDesc, DWORD dwFrameSize, CAudioPlaybackBuffer **lpapBuffer ) = 0;
virtual BOOL IsEmulated() = 0; inline WAVEFORMATEX *GetPrimaryFormat() { return m_primaryFormat; };
virtual LPDIRECTSOUND GetPlaybackDevice() = 0;
virtual HRESULT GetMixerQuality( DIRECTSOUNDMIXER_SRCQUALITY *psrcQuality ) = 0; virtual HRESULT SetMixerQuality( const DIRECTSOUNDMIXER_SRCQUALITY srcQuality ) = 0;
protected: WAVEFORMATEX *m_primaryFormat; // Format used by the device's mixer
};
#endif
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